fast-twitch

adjective \ ˈfas(t)-ˌtwich \

Definition of fast-twitch

: of, relating to, or being muscle fiber that contracts quickly especially during brief high-intensity physical activity requiring strength — compare slow-twitch

First Known Use of fast-twitch

1970

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

fast-twitch

adjective \ ˌfas(t)-ˌtwich \

medical Definition of fast-twitch

: of, relating to, or being muscle fiber that contracts quickly especially during brief high-intensity physical activity requiring strength — compare slow-twitch

Learn More about fast-twitch


Seen and Heard

What made you want to look up fast-twitch? Please tell us where you read or heard it (including the quote, if possible).

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

WORD OF THE DAY

widely and unfavorably known

Get Word of the Day daily email!

Test Your Vocabulary

Words for Summer: A Quiz

  • a-closeup-of-a-sunflower
  • Which of the following words means “of or relating to summer”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!